Compound for preserving wood, &amp;c.



UNITED STAEEEQ QnTENT OFFICE.

LUMAN HUMPHERY GASKlLLhOF SAN DIEGO, CALIFORNIA.-

COMPOUND FOR PRESERVlNG-WOOD, &o.

Specification of Letters Patent. Patented Nov. 20, 1906.

Application filed May 31. 1906. Serial No. 319 582.

oughly dissolved, after which seven parts of inarl'are stirred into themixture and thoroughly boiled, after which one part of wood fiber orsawdust is added to the other ingredients and still boiled longer,preferably for a half-hour.

A compound made in accordance with my invention will be found to be anexcellent coating for Wood to prevent the same from rotting or forcovering metal to prevent corrosion of i ies, conduits, &c.

What 0 aim is 7 A composition for preserving wood, metal,

To all whom it may concern.-

Be it known that I, LUMAN HUMPHERY GASKILL, a citizen of the- UnitedStates, residing at San Diego, in the county. of, San Diego and State ofCalifornia, have invented certain new and useful Improvements inCompounds for Preserving Wood, &c.; and I do hereby declare thefollowing to be a full, clear, and exact description of the invention,such as will enable others skilled in the art to which it appertains tomake and use the same.

This invention relates to new and useful improvements in compounds forpreserving wood and other substances, and comprises a composition ofvarious ingredients which when applied to wood will have a tendency toprevent the same from'rotting,or when applied to metal serving toprevent corrosion.-

My compound com rises the utilization of crude petroleum, mar resin, andwood fiber, such as sawdust. I

In preparing my compound I take four parts of resin' and one part ofpetroleum and heat and fuse the same until the resin is thorparts ofresin, and one part each of petroleum and wood fiber, compounded in themanner set forth. r v

In testimony whereof I hereunto afiiX my signature in the presence oftwo witnesses.

LUMAN HUMPHERY G ASKILL.

'Witnesses:

JNo. P. BURT, CHAS. C; Nonnls.

&c., comprising seven parts of marl, four

